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Diff of /trunk/tm/ChangeLog

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revision 717, Fri Mar 16 11:13:04 2007 UTC revision 752, Sat May 19 22:39:04 2007 UTC
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1    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
4            vectors. Thanks to Ariel Maguyon for his error report.
5            (removeSparseTerms): New function to remove columns from a
6            term-document matrix exceeding a sparse factor.
7    
8    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
9    
10            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
11    
12    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * man/sFilter.Rd: Corrected documentation on statement format (use
15            '==' instead of '=').
16    
17    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
18    
19            * R/aobjects.R (StructuredTextDocument): Inherits from
20            TextDocument.
21    
22    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
23    
24            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
25            on sparse matrices as proposed by Martin Maechler.
26    
27    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
28    
29            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
30            \pkg{filehash} version makes them deprecated.
31    
32    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
33    
34            * R/termdocmatrix.R (textvector): Stemming is now performed before
35            erasing stopwords.
36            (weightMatrix): Adapted to handle sparse matrices.
37            (TermDocMatrix): Sparse matrix is now efficiently built by
38            direct stepwise insertion of row values into it.
39    
40    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
43            due to ongoing problems. For our purposes the latter is as useful
44            as the replaced package.
45    
46    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
47    
48            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
49    
50            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
51    
52    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
55            languages with available stopwords.
56    
57    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
58    
59            * inst/doc/tm.Rnw: Minor corrections in the vignette.
60    
61    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
62    
63            * DESCRIPTION: Update to version 0.2, since a lot of new features
64            have been integrated.
65    
66            * inst/stopwords: Updated existing stopwords and added stopwords
67            for various other languages.
68    
69    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
70    
71            * man/: Updated documentation.
72    
73            * Work/testDb.R: Script to test database stuff.
74    
75            * R/: Fixed various database related bugs. Seems to be rather
76            useable now, i.e., consider as alpha status for now.
77    
78    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
79    
80            * R/: Fixed some bugs related to database support.
81    
82    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
83    
84            * man/: Added a lot of examples to the manuals.
85    
86    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Updated parts of the documentation.
89    
90            * R/textdoccol.R (asPlain): Added conversion from newsgroup
91            documents to plain text documents.
92    
93    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
94    
95            * R/textdoccol.R: Finished experimental database support. Not yet
96            intensively tested.
97    
98            * R/source.R: Now each source has a default reader.
99    
100            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
101            class anymore.
102    
103            * R/plaintextdoc.R: Custom show method for plain text documents.
104    
105            * R/aobjects.R: Added a class for structured text documents.
106    
107            * R/reader.R: Replaced remaining \code{parser} occurrences with
108            \code{reader}.
109    
110            * R/textdoccol.R (summary): Indent tags.
111    
112            * R/textdoccol.R (removePunctuation): Transform method to remove
113            punctuation marks.
114    
115    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
118            using prescindMeta().
119    
120    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
121    
122            * R/textdoccol.R: Improved database support.
123    
124  2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
125    
126            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
127    
128          * R/resolve.R (resolveISOcode): Extracts the language from a ISO          * R/resolve.R (resolveISOcode): Extracts the language from a ISO
129          language code.          language code.
130    

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